/*! \file bcmfp_lrd.c
 *
 * APIs to fetch FP related information from LRD .
 */
/*
 * Copyright: (c) 2018 Broadcom. All Rights Reserved. "Broadcom" refers to 
 * Broadcom Limited and/or its subsidiaries.
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#include <shr/shr_error.h>
#include <shr/shr_debug.h>
#include <bcmdrd/bcmdrd_pt.h>
#include <bcmdrd/bcmdrd_types.h>
#include <bcmfp/bcmfp_internal.h>

#define BSL_LOG_MODULE BSL_LS_BCMFP_COMMON

int
bcmfp_group_mode_max_entries(int unit,
                             bcmfp_stage_id_t stage_id,
                             bcmfp_group_mode_t group_mode,
                             uint32_t *max_entries)
{
    bcmfp_stage_t *stage = NULL;
    bcmfp_stage_hw_entry_info_t *hw_entry_info = NULL;

    SHR_FUNC_ENTER(unit);

    SHR_NULL_CHECK(max_entries, SHR_E_PARAM);

    SHR_IF_ERR_EXIT(bcmfp_stage_get(unit, stage_id, &stage));

    hw_entry_info = stage->hw_entry_info[group_mode];

    if (hw_entry_info) {
        *max_entries = hw_entry_info->max_entries;
    } else {
        SHR_RETURN_VAL_EXIT(SHR_E_NOT_FOUND);
    }

exit:
    SHR_FUNC_EXIT();
}

int
bcmfp_group_tcam_size_get(int unit,
                          bool is_presel,
                          bcmfp_stage_id_t stage_id,
                          bcmfp_group_id_t group_id,
                          uint32_t *size)
{
    bcmdrd_sid_t sid;
    bcmfp_stage_t *stage = NULL;
    bcmfp_group_mode_t group_mode;
    bcmfp_group_oper_info_t *group_oper_info = NULL;
    bcmfp_stage_hw_entry_info_t *hw_entry_info = NULL;

    SHR_FUNC_ENTER(unit);

    SHR_NULL_CHECK(size, SHR_E_PARAM);

    SHR_IF_ERR_EXIT(bcmfp_stage_get(unit, stage_id, &stage));

    SHR_IF_ERR_EXIT(
        bcmfp_group_oper_info_get(unit,
                                  stage_id,
                                  group_id,
                                  &group_oper_info));

    group_mode = group_oper_info->group_mode;
    hw_entry_info = stage->hw_entry_info[group_mode];

    if (is_presel) {
        sid = hw_entry_info->presel_sid;
    } else {
        sid = hw_entry_info->sid;
    }

    *size = bcmdrd_pt_entry_wsize(unit, sid);

exit:
    SHR_FUNC_EXIT();
}

int
bcmfp_group_policy_size_get(int unit,
                            bool is_presel,
                            bcmfp_stage_id_t stage_id,
                            bcmfp_group_id_t group_id,
                            uint32_t *size)
{
    bcmdrd_sid_t sid;
    bcmfp_stage_t *stage = NULL;
    bcmfp_group_mode_t group_mode;
    bcmfp_group_oper_info_t *group_oper_info = NULL;
    bcmfp_stage_hw_entry_info_t *hw_entry_info = NULL;

    SHR_FUNC_ENTER(unit);

    SHR_NULL_CHECK(size, SHR_E_PARAM);

    SHR_IF_ERR_EXIT(bcmfp_stage_get(unit, stage_id, &stage));

    SHR_IF_ERR_EXIT(
        bcmfp_group_oper_info_get(unit,
                                  stage_id,
                                  group_id,
                                  &group_oper_info));

    group_mode = group_oper_info->group_mode;
    hw_entry_info = stage->hw_entry_info[group_mode];

    if (is_presel) {
        sid = hw_entry_info->presel_sid_data_only;
    } else {
        sid = hw_entry_info->sid_data_only;
    }

    *size = bcmdrd_pt_entry_wsize(unit, sid);

exit:
    SHR_FUNC_EXIT();
}

int
bcmfp_entry_key_info_get(int unit,
                         bool is_presel,
                         bcmfp_stage_id_t stage_id,
                         bcmfp_group_id_t group_id,
                         uint16_t *start_bit,
                         uint16_t *end_bit)
{
    bcmdrd_sid_t sid;
    bcmfp_stage_t *stage = NULL;
    bcmfp_group_mode_t group_mode;
    bcmfp_group_oper_info_t *group_oper_info = NULL;
    bcmfp_stage_hw_entry_info_t *hw_entry_info = NULL;
    bcmdrd_sym_field_info_t finfo;

    SHR_FUNC_ENTER(unit);

    SHR_NULL_CHECK(end_bit, SHR_E_PARAM);
    SHR_NULL_CHECK(start_bit, SHR_E_PARAM);

    SHR_IF_ERR_EXIT(bcmfp_stage_get(unit, stage_id, &stage));

    SHR_IF_ERR_EXIT(
        bcmfp_group_oper_info_get(unit,
                                  stage_id,
                                  group_id,
                                  &group_oper_info));

    group_mode = group_oper_info->group_mode;
    hw_entry_info = stage->hw_entry_info[group_mode];

    if (is_presel) {
        sid = hw_entry_info->presel_sid;
    } else {
        sid = hw_entry_info->sid;
    }
    if (!(stage->flags & BCMFP_STAGE_ENTRY_TYPE_HASH
          && FALSE == is_presel)) {
        SHR_IF_ERR_VERBOSE_EXIT
            (bcmdrd_pt_field_info_get(unit, sid,
                 hw_entry_info->key_fid, &finfo));

        *start_bit = finfo.minbit;
        *end_bit = finfo.maxbit;
    } else {
        if (stage->key_data_size_info != NULL) {
            *start_bit = 0;
            *end_bit = stage->key_data_size_info->key_size[group_mode] - 1;
        }
    }
exit:
    SHR_FUNC_EXIT();
}

int
bcmfp_entry_mask_info_get(int unit,
                          bool is_presel,
                          bcmfp_stage_id_t stage_id,
                          bcmfp_group_id_t group_id,
                          uint16_t *start_bit,
                          uint16_t *end_bit)
{
    bcmdrd_sid_t sid;
    bcmfp_stage_t *stage = NULL;
    bcmfp_group_mode_t group_mode;
    bcmfp_group_oper_info_t *group_oper_info = NULL;
    bcmfp_stage_hw_entry_info_t *hw_entry_info = NULL;
    bcmdrd_sym_field_info_t finfo;
    SHR_FUNC_ENTER(unit);

    SHR_NULL_CHECK(end_bit, SHR_E_PARAM);
    SHR_NULL_CHECK(start_bit, SHR_E_PARAM);

    SHR_IF_ERR_EXIT(bcmfp_stage_get(unit, stage_id, &stage));
    if (stage->flags & BCMFP_STAGE_ENTRY_TYPE_HASH
        && is_presel == FALSE) {
        SHR_RETURN_VAL_EXIT(SHR_E_NONE);
    }

    SHR_IF_ERR_EXIT(
        bcmfp_group_oper_info_get(unit,
                                  stage_id,
                                  group_id,
                                  &group_oper_info));

    group_mode = group_oper_info->group_mode;
    hw_entry_info = stage->hw_entry_info[group_mode];

    if (is_presel) {
        sid = hw_entry_info->presel_sid;
    } else {
        sid = hw_entry_info->sid;
    }

    SHR_IF_ERR_VERBOSE_EXIT
        (bcmdrd_pt_field_info_get(unit, sid,
             hw_entry_info->mask_fid, &finfo));

    *start_bit = finfo.minbit;
    *end_bit = finfo.maxbit;

exit:
    SHR_FUNC_EXIT();
}

int
bcmfp_entry_valid_bit_set(int unit,
                          bool is_presel,
                          bcmfp_stage_id_t stage_id,
                          bcmfp_group_id_t group_id,
                          uint32_t **entry_words)
{
    uint8_t part = 0;
    uint8_t num_parts = 0;
    uint32_t value = 0;
    bcmdrd_sid_t sid;
    bcmfp_stage_t *stage = NULL;
    bcmfp_group_mode_t group_mode;
    bcmfp_group_oper_info_t *group_oper_info = NULL;
    bcmfp_stage_hw_entry_info_t *hw_entry_info = NULL;
    bcmdrd_sym_field_info_t finfo;

    SHR_FUNC_ENTER(unit);

    SHR_NULL_CHECK(entry_words, SHR_E_PARAM);

    SHR_IF_ERR_EXIT(bcmfp_stage_get(unit, stage_id, &stage));

    if (stage->flags & BCMFP_STAGE_ENTRY_TYPE_HASH
        && is_presel == FALSE) {
        SHR_RETURN_VAL_EXIT(SHR_E_NONE);
    }

    SHR_IF_ERR_EXIT(
        bcmfp_group_oper_info_get(unit,
                                  stage_id,
                                  group_id,
                                  &group_oper_info));

    group_mode = group_oper_info->group_mode;
    hw_entry_info = stage->hw_entry_info[group_mode];

    if (is_presel) {
        sid = hw_entry_info->presel_sid;
    } else {
        sid = hw_entry_info->sid;
    }

    SHR_IF_ERR_VERBOSE_EXIT
        (bcmdrd_pt_field_info_get(unit, sid,
            hw_entry_info->valid_fid, &finfo));
    value = ((1 << (finfo.maxbit - finfo.minbit + 1)) - 1);

    SHR_IF_ERR_EXIT(
        bcmfp_group_parts_count(unit, group_oper_info->flags, &num_parts));

    for (part = 0; part < num_parts; part++) {
        bcmdrd_pt_field_set(unit, sid, entry_words[part],
                            hw_entry_info->valid_fid, &value);
    }

exit:
    SHR_FUNC_EXIT();
}
